<!doctype html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport"
        content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>用户登录首页</title>
</head>

<body>
    登录人: <span id="loginUser"></span>

    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.4/jquery.min.js"></script>
    <script>
       $.ajax({
         type: "get" , 
          url: "/login/index" ,
          success:function(result){
            // 这里获取的响应,就是用户名
            //将用户名填充到上面的 登录人标签里 ;
                // 通过id属性,直接给登录人标签里赋值
                $("#loginUser").text(result) ;
          }

       }); 

    </script>
</body>

</html>